(* Interface to Perl from OCaml.
- * Copyright (C) 2003 Merjis Ltd.
- * $Id: perl.ml,v 1.4 2003-10-12 17:33:14 rich Exp $
- *)
-type t
+ Copyright (C) 2003 Merjis Ltd.
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this library; see the file COPYING. If not, write to
+ the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+
+ $Id: perl.ml,v 1.16 2008-03-01 13:02:21 rich Exp $
+ *)
type sv
+type av
+type hv
exception Perl_failure of string
+(* Initialization. This must happen first, otherwise other parts of the
+ * program will segfault because of a missing interpreter.
+ *)
external c_init : unit -> unit = "perl4caml_init"
-let init () =
+let () =
Callback.register_exception "perl4caml_perl_failure" (Perl_failure "");
- c_init () (* Initialise C code. *)
-
-external destroy : unit -> unit
- = "perl4caml_destroy"
-
-external create : ?args:string array -> unit -> t
- = "perl4caml_create"
-
-external set_context : t -> unit
- = "perl4caml_set_context"
+ c_init (); (* Initialise C code. *)
+ ()
external int_of_sv : sv -> int = "perl4caml_int_of_sv"
external sv_of_int : int -> sv = "perl4caml_sv_of_int"
-external float_of_sv : sv -> int = "perl4caml_float_of_sv"
-external sv_of_float : int -> sv = "perl4caml_sv_of_float"
+external float_of_sv : sv -> float = "perl4caml_float_of_sv"
+external sv_of_float : float -> sv = "perl4caml_sv_of_float"
external string_of_sv : sv -> string = "perl4caml_string_of_sv"
external sv_of_string : string -> sv = "perl4caml_sv_of_string"
external sv_is_true : sv -> bool = "perl4caml_sv_is_true"
-external sv_is_undef : sv -> bool = "perl4caml_sv_is_undef"
external sv_undef : unit -> sv = "perl4caml_sv_undef"
+external sv_is_undef : sv -> bool = "perl4caml_sv_is_undef"
external sv_yes : unit -> sv = "perl4caml_sv_yes"
external sv_no : unit -> sv = "perl4caml_sv_no"
external sv_type : sv -> sv_t = "perl4caml_sv_type"
+let string_of_sv_t = function
+ SVt_NULL -> "SVt_NULL"
+ | SVt_IV -> "SVt_IV"
+ | SVt_NV -> "SVt_NV"
+ | SVt_PV -> "SVt_PV"
+ | SVt_RV -> "SVt_RV"
+ | SVt_PVAV -> "SVt_PVAV"
+ | SVt_PVHV -> "SVt_PVHV"
+ | SVt_PVCV -> "SVt_PVCV"
+ | SVt_PVGV -> "SVt_PVGV"
+ | SVt_PVMG -> "SVt_PVMG"
+
+external reftype : sv -> sv_t = "perl4caml_reftype"
+
+external address_of_sv : sv -> Nativeint.t = "perl4caml_address_of_sv"
+external address_of_av : av -> Nativeint.t = "perl4caml_address_of_av"
+external address_of_hv : hv -> Nativeint.t = "perl4caml_address_of_hv"
+
+external scalarref : sv -> sv = "perl4caml_scalarref"
+external arrayref : av -> sv = "perl4caml_arrayref"
+external hashref : hv -> sv = "perl4caml_hashref"
+
external deref : sv -> sv = "perl4caml_deref"
+external deref_array : sv -> av = "perl4caml_deref_array"
+external deref_hash : sv -> hv = "perl4caml_deref_hash"
+
+external av_empty : unit -> av = "perl4caml_av_empty"
+external av_of_sv_list : sv list -> av = "perl4caml_av_of_sv_list"
+external av_push : av -> sv -> unit = "perl4caml_av_push"
+external av_pop : av -> sv = "perl4caml_av_pop"
+external av_shift : av -> sv = "perl4caml_av_shift"
+external av_unshift : av -> sv -> unit = "perl4caml_av_unshift"
+external av_length : av -> int = "perl4caml_av_length"
+external av_set : av -> int -> sv -> unit = "perl4caml_av_set"
+external av_get : av -> int -> sv = "perl4caml_av_get"
+external av_clear : av -> unit = "perl4caml_av_clear"
+external av_undef : av -> unit = "perl4caml_av_undef"
+external av_extend : av -> int -> unit = "perl4caml_av_extend"
+
+let av_map f av =
+ let list = ref [] in
+ for i = 0 to av_length av - 1 do
+ list := f (av_get av i) :: !list
+ done;
+ List.rev !list
+
+let list_of_av av =
+ let list = ref [] in
+ for i = 0 to av_length av - 1 do
+ list := av_get av i :: !list
+ done;
+ List.rev !list
+
+let av_of_string_list strs =
+ av_of_sv_list (List.map sv_of_string strs)
+
+external hv_empty : unit -> hv = "perl4caml_hv_empty"
+external hv_set : hv -> string -> sv -> unit = "perl4caml_hv_set"
+external hv_get : hv -> string -> sv = "perl4caml_hv_get"
+external hv_exists : hv -> string -> bool = "perl4caml_hv_exists"
+external hv_delete : hv -> string -> unit = "perl4caml_hv_delete"
+external hv_clear : hv -> unit = "perl4caml_hv_clear"
+external hv_undef : hv -> unit = "perl4caml_hv_undef"
+
+type he
+external hv_iterinit : hv -> Int32.t = "perl4caml_hv_iterinit"
+external hv_iternext : hv -> he = "perl4caml_hv_iternext"
+external hv_iterkey : he -> string = "perl4caml_hv_iterkey"
+external hv_iterval : hv -> he -> sv = "perl4caml_hv_iterval"
+external hv_iternextsv : hv -> string * sv = "perl4caml_hv_iternextsv"
+
+let hv_of_assoc xs =
+ let hv = hv_empty () in
+ List.iter (fun (k, v) -> hv_set hv k v) xs;
+ hv
+let assoc_of_hv hv =
+ ignore (hv_iterinit hv);
+ (* Someone please rewrite this to make it tail-rec! - Rich. XXX *)
+ let rec loop acc =
+ try
+ let k, v = hv_iternextsv hv in
+ loop ((k, v) :: acc)
+ with
+ Not_found -> acc
+ in
+ loop []
+let hv_keys hv =
+ ignore (hv_iterinit hv);
+ (* Someone please rewrite this to make it tail-rec! - Rich. XXX *)
+ let rec loop acc =
+ try
+ let he = hv_iternext hv in
+ let k = hv_iterkey he in
+ loop (k :: acc)
+ with
+ Not_found -> acc
+ in
+ loop []
+let hv_values hv =
+ ignore (hv_iterinit hv);
+ (* Someone please rewrite this to make it tail-rec! - Rich. XXX *)
+ let rec loop acc =
+ try
+ let he = hv_iternext hv in
+ let v = hv_iterval hv he in
+ loop (v :: acc)
+ with
+ Not_found -> acc
+ in
+ loop []
external get_sv : ?create:bool -> string -> sv = "perl4caml_get_sv"
+external get_av : ?create:bool -> string -> av = "perl4caml_get_av"
+external get_hv : ?create:bool -> string -> hv = "perl4caml_get_hv"
external call : ?sv:sv -> ?fn:string -> sv list -> sv
= "perl4caml_call"
git.annexia.org / perl4caml.git / blobdiff